mass shooting threat

BREAKING: Suspect in custody after mass shooting threat in Missouri

Suspects' threat prompts at least 8 Missouri school districts to cancel summer school classes

Originally Published: 15 JUN 22 09:12 ET Updated: 15 JUN 22 10:28 ET By Rebekah Riess and Dakin Andone, CNN (CNN) -- [Breaking news update at 10:30 a.m. ET] A suspect who allegedly made a mass shooting threat that prompted…